package com.wit.dao;

import java.util.List;

import com.wit.po.Mark;

public interface MarkDao {

	public boolean addMark(Mark mark);
	
	public boolean deleteMark(Mark mark);
	
	public boolean modifyMark(Mark mark);
	
	public List<Mark> findAllMark();
	
	public Mark findByIdentifier(String markId);
}
